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Blower Motor Resistor Assembly - killed battery - recommended aftermarket manuf?

Express & G-Series Vans - chevroletforum.com
I have traced a parasitic draw on my battery to the Blower Motor Resistor Assembly (BMRA).

It pulls power from fuse #51. The draw was 0.07 Amp with fuse 51 in place and 0.004 Amps (4 mA) with 51 removed.

The number on the existing, what looks to be original, part is 12135104.

It is my understanding GMC bought ACDelco so that is their go to supplier.

On the ACDelco site PN 12135104 does not exist.

By a vehicle search I found PN 15-81796 and it has the appearance of the existing.

The dealer is selling a part with wish washy specs supposedly ACDelco for $127.44.

I'm finding other aftermarket manufacturers:

DWD

Dorman

Duralast

AA Ignition

with pricing from $13 up to $68

and $52 for an ACDelco PN#.

Is anyone able to weigh in on aftermarket manufacturers of a BMRA?


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